Adapter



FIG. 1 is a perspective view of my design for an adapter all in accordance with the invention;

FIG. 2 is a top plan view of my design for an adapter all in accordance with the invention;

FIG. 3 is a front elevational view of the adapter shown in FIG. 1, the back elevational view being the same due to the symmetrical design of the adapter.

FIG. 4 is a bottom plan view of the adapter shown in FIG. 1;

FIG. 5 is a rear elevational plan view of the adapter shown in FIG. 1; and,

FIG. 6 is a front elevational view of the adapter shown in FIG. 1. 

The ornamental design for an adapter, as shown and described. 